No worries! By the way, I had no idea that Dates.jl was so permissive, that’s certainly good to know. It looks like this is on the horizon to be addressed in 2.0
On the python end of things, you may also want to check out PythonCall.jl/CondaPkg.jl. It’s a newer alternative to PyCall.jl/Conda.jl that is pretty nice to work with, even in Pluto notebooks
One of its main selling points for me is the use of project specific environments to avoid polluting your global